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发明名称
Improvements in and relating to apparatus for softening, heating or rendering more plastic asphaltic surfacing materials
摘要
申请公布号
GB419618(A)
申请公布日期
1934.11.15
申请号
GB19330017614
申请日期
1933.06.21
申请人
THE GENERAL ASPHALTE CO., LIMITED;FREDERICK ALAN BALKWILL LUKE
发明人
分类号
E01C23/14
主分类号
E01C23/14
代理机构
代理人
主权项
地址
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